StreakPeaked· Practice

ExamsJEE MainGeneral

Water samples with BOD values of 4 ppm and 18 ppm, respectively are -

  1. Clean and Highly polluted
  2. Highly polluted and Clean
  3. Highly polluted and Highly polluted
  4. Clean and Clean

Correct answer: Clean and Highly polluted

Related JEE Main General questions

⚔️ Practice JEE Main General free + battle 1v1 →